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  1. #1
    Dwar
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    VDK file structure (Ragnarok Online, Requiem)

    The structure of VDK files which are used in Ragnarok Online 2 and Requiem

    Code:
     //--------------------------------------
    //--- 010 Editor v3.1.2 Binary Template
    //
    // File: vdk 1.1
    // Author: Dwar
    // Revision: 2010-09-05
    // Purpose: vdk unpacker
    //--------------------------------------
    
    //vdk header
    struct VDKHeader                    
    {
      char VDK_desk[8];     //VDISK1.1
      int  VDK_unk;         //unknown
      int  VDK_CountFile;   //file count
      int  VDK_CountFolder; //folder count
      int  VDK_size;        //vdk file size without root (+91h) and FileList 
      int  VDK_unk;         //unknown
    } Header;
    
    // read files data until VDK_size + 91h
    struct Files                    
    {
      byte isDir;
      char fileName[128];
      int  SizeOriginal;
      int  SizePacked;
      int  parentDirOffset <format=hex>;
      int  NextAddrOffset  <format=hex>;
    };
    
    //
    struct FileList         // list of files at the end                   
    {
      int  VDK_filecount;   //file count
      char fileName[260];
      int  fileOffset <format=hex>;
    };
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  2. #2
    snaity
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    Revised Structs

    Code:
    //--------------------------------------
    //--- 010 Editor v3.1.2 Binary Template
    //
    // File: vdk 1.1
    // Author: Dwar
    // Revision: 2010-09-05
    // Purpose: vdk unpacker
    //--------------------------------------
     
    //vdk header
    struct VDKHeader                    
    {
    	char	VDK_desk[8];     //VDISK1.1(Ragnarok2)/VDISK1.0(Requiem)
    	int	VDK_unk;         //unknown
    	int	VDK_CountFile;   //file count
    	int	VDK_CountFolder; //folder count
    	int	VDK_size;        //vdk file size without root (+91h) and FileList 
    	int	VDK_filelist_size;         //Files List Size(VDISK1.1 Only)
    } Header;
     
    // read files data until VDK_size + 91h
    struct Files                    
    {
      byte isDir;
      char fileName[128];
      int  SizeOriginal;
      int  SizePacked;//zlib Compressed size
      //It is only for folders for files is 0
      int  parentDirOffset <format=hex>;
      //If is last file or folder this value is 0, and for folder is the offset of next folder on dir
      int  NextAddrOffset  <format=hex>;
      // Zlib compressed data (Deflate/Inflate), and only for files, not exist for folders
      byte FileData[SizePacked]; 
    };
     
    // Only for VDISK 1.1
    struct FileList         // list of files at the end                   
    {
      int  VDK_filecount;   //file count
      FileListRow Files[VDK_Filecount];  
    };
    
    struct FileListRow
    {
      char fileName[260]; // Full file name (path + filename in UPERCASE)
      int  fileOffset <format=hex>; // Offset of file entry with FileData
    };
    Last edited by snaity; 2011-02-02 at 10:55 PM.

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  4. #3
    tackyjan
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    Red face

    Can you please explain what you mean by <format=hex> (as for parent directory offset and next address offset)? If the values are save as an int wouldn't you just use the raw value when parsing the vdk?

  5. #4
    danielleally
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    Is this the updated version for Ragnarok Online 2?

  6. #5
    cyc1990
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    wat tools using to edit the file..

    hi can i know wat tools using to edit the file
    can teach me how to edit ..thx

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